netdev - Re: [PATCH net-next 07/30] net: dsa: mt7530: do not run mt7530_setup

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Date: Wed, 24 May 2023 20:45:34 +0300
From: Vladimir Oltean <olteanv@...il.com>
To: arinc9.unal@...il.com
Cc: Sean Wang <sean.wang@...iatek.com>,
	Landen Chao <Landen.Chao@...iatek.com>,
	DENG Qingfang <dqfext@...il.com>,
	Daniel Golle <daniel@...rotopia.org>, Andrew Lunn <andrew@...n.ch>,
	Florian Fainelli <f.fainelli@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Russell King <linux@...linux.org.uk>,
	Arınç ÜNAL <arinc.unal@...nc9.com>,
	Richard van Schagen <richard@...terhints.com>,
	Richard van Schagen <vschagen@...com>,
	Frank Wunderlich <frank-w@...lic-files.de>,
	Bartel Eerdekens <bartel.eerdekens@...stell8.be>,
	erkin.bozoglu@...ont.com, mithat.guner@...ont.com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH net-next 07/30] net: dsa: mt7530: do not run
 mt7530_setup_port5() if port 5 is disabled

On Mon, May 22, 2023 at 03:15:09PM +0300, arinc9.unal@...il.com wrote:
> From: Arınç ÜNAL <arinc.unal@...nc9.com>
> 
> There's no need to run all the code on mt7530_setup_port5() if port 5 is
> disabled. The only case for calling mt7530_setup_port5() from
> mt7530_setup() is when PHY muxing is enabled. That is because port 5 is not
> defined as a port on the devicetree, therefore, it cannot be controlled by
> phylink.
> 
> Because of this, run mt7530_setup_port5() if priv->p5_intf_sel is
> P5_INTF_SEL_PHY_P0 or P5_INTF_SEL_PHY_P4. Remove the P5_DISABLED case from
> mt7530_setup_port5().
> 
> Stop initialising the interface variable as the remaining cases will always
> call mt7530_setup_port5() with it initialised.
> 
> Tested-by: Arınç ÜNAL <arinc.unal@...nc9.com>
> Signed-off-by: Arınç ÜNAL <arinc.unal@...nc9.com>
> ---

Reviewed-by: Vladimir Oltean <olteanv@...il.com>